I'm still chuckling Bud. You have a checklist and can't "think out of the box". [I love that cliche which is self-parodying]. <The vast majority of PV's manufactured have a blue tint to them, not black.> "Blue tint" is not significantly different from black. If you can come up with a white one, that will be okay. When I write "black" that doesn't mean soot-coloured absorbing all visible light. It's more like when people refer to "black" people. They are not usually black, but various densities of melanin from about ASTM 4 to really very brown, almost black, but with a blue hue.
The point is they absorb a LOT more light than they convert to electricity. Especially so because the storage that will be required when the grid is supplied only by photovoltaics with be vast. You missed the point about ALL electricity coming from photovoltaics. Unlike with coal, which can be turned on and off as required to math demand, the photovoltaics work only when sun is shining. So half the time they are off due to night. Even when it's daytime, there is lots of cloud. So about 80% of the generated electricity will need to be stored. Fortunately, people will be driving cars during the day, so the batteries will be the storage point.
That's why battery swaps would be the only way to power car batteries. They can't be recharged while driving. At night, when the cars are stopped, the photovoltaics won't be working. They need to get more charge during the day and the only way to do that would be by way of battery swaps.
Pit stop changes in 7 seconds will be needed. The BetterPlace method was hopelessly slow, like "superchargers" that Elon Musk and you think might work. No they won't. You can't move 60 litre equivalents in 2 minutes, let alone 7 seconds, through a wire connected to a car battery.
Bud, you need to think about boundary conditions. Have you got them on your checklist?
Bud, your ignorance is showing again. You are getting confused about tense. "Will" is future tense. You are writing in present tense: < The vast majority of PV's are grid connected and all of their electricity is absorbed by that grid in real time!> When all electricity is from photovoltaics was the point. What happens now is irrelevant. The grid is just a distribution method. No electricity is absorbed by the grid. Storage methods will need to be developed. Stupendously huge ones.
Storage will need to be big enough to get through an Arctic winter of very long nights and with cloud during the day. Even London, which is not quite Arctic but is near enough to for government work and photovoltaics, gets days and day and days of overcast gloom and long nights in winter. The storage required would be huge. Or the electricity would need to be shipped from the Sahara, or the people moved to the Sahara. Which would be blackened, or very deep dark blue "tinted" to provide the electricity to hundreds of millions of Euroserf migrants.
You are like Chairman Mao - "Get out in the fields. Enough of that thinking stuff." <Or better yet, get out in the field and build some systems and measure their performance.>
You can lead a horse to water, but you can't make it think.
Mqurice |
